Borderou de evaluare (job #228897)

Compilare: user.cpp: In function ‘int main()’: user.cpp:31:26: warning: statement has no effect [-Wunused-value] user.cpp:34:22: warning: statement has no effect [-Wunused-value] user.cpp:7:54: warning: unused variable ‘b’ [-Wunused-variable] user.cpp:7:67: warning: unused variable ‘l’ [-Wunused-variable] user.cpp:42:9: warning: ‘u’ may be used uninitialized in this function [-Wuninitialized] user.cpp:42:9: warning: ‘p’ may be used uninitialized in this function [-Wuninitialized]